CN206522185U - A kind of electric protection anti-explosion diesel engine - Google Patents
A kind of electric protection anti-explosion diesel engine Download PDFInfo
- Publication number
- CN206522185U CN206522185U CN201621014364.6U CN201621014364U CN206522185U CN 206522185 U CN206522185 U CN 206522185U CN 201621014364 U CN201621014364 U CN 201621014364U CN 206522185 U CN206522185 U CN 206522185U
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- engine
- electric protection
- main frame
- execution unit
- temperature sensor
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Abstract
The utility model provides a kind of electric protection anti-explosion diesel engine; cooling jacket is set on the surface of the high temperature parts such as cylinder cap (air exit end), exhaust manifold, supercharger turbo shell and exhaust main; cooled down by the cooling water circulation of engine interior, tail gas is purified and cooled down by water tank.To prevent the high loaded process of engine long time from causing coolant water temperature rise to influence radiating effect; in a cooling system there is provided auxiliary blower and auxiliary pump; the monitoring unit monitoring duty parameter of electric protection system; main frame judges that duty parameter control auxiliary blower, auxiliary pump start and stop, engine are shut down.The electric protection system that the present invention is provided is realized and automatically controlled, and can preferably adapt to the prolonged high loaded process operating mode of anti-explosion diesel engine.
Description
Technical field
The invention belongs to technical field of engines, particularly a kind of electric protection anti-explosion diesel engine；
Background technology
Anti-explosion diesel engine is mainly that the truck and bracket carrier etc. travelled in underground coal mine tunnel provides dynamic
Power, while or the generating set that is used under mine, used in the inflammable and explosive environment such as water pump assembly and oil, chemical industry
Anti-explosion power machine tool it is supporting.
At present, Diesel engine typically uses internal combustion engine cooling system.During work, distinguished and admirable power is provided by fan,
On conveying cooling wind to engine.Cooling air temperature rise after engine becomes hot blast, and to external diffusion.Due to vapour
Car inner space is limited, has part hot blast and returns directly to radiator front end, so as to enter cold without extraneous air cooling
But in system, so reduction cooling system radiating effect is substantially reduced.
In addition, cooling fan is directly driven using engine, and in high-power operation process, temperature, tail when engine
When temperature degree is higher by set point of temperature, engine stop work influences the progress of construction task.
The content of the invention
In order that obtaining anti-explosion diesel engine better adapts to big load operating mode, the invention provides a kind of electric protection is explosion-proof
The technical scheme of Diesel engine：
A kind of electric protection anti-explosion diesel engine, including cooling jacket, engine, main fan, auxiliary blower, radiator,
Expansion tank, auxiliary pump, water tank and electric protection system, the air exit end of the cylinder cap of engine, exhaust manifold, booster
The surface of turbine case and exhaust main sets cooling jacket, cooling jacket connection radiator, expansion tank, engine-driven master
Fan is arranged on rear side of radiator, and the water tank connection engine exhaust mouth of pipe, Diesel engine sets electric protection system；Cooling water
Auxiliary blower is installed simultaneously, the monitoring unit monitoring of electric protection system is started on rear side of the loop connection auxiliary pump of set, radiator
Machine system conditions, according to the judgement of main frame, execution unit control auxiliary pump, auxiliary blower operation, engine are shut down.
Further, electric protection system includes monitoring unit, main frame, execution unit, the information gathering end connection prison of main frame
Survey the order output terminal connection execution unit of unit, main frame.
Further, wired or wireless connection is passed through between monitoring unit, main frame, execution unit.
Further, monitoring unit includes engine shell temperature sensor, coolant temperature sensor, delivery temperature sensing
Device, engine oil pressure pickup, level sensor, gas density alarm, said elements are respectively installed to the corresponding positions of engine
Put.
Further, the execution unit of electric protection system includes power supply relay, current regulator etc., for controlling auxiliary
Fan, the start and stop of auxiliary pump and the shutdown of Diesel engine.
Further, auxiliary blower is installed on rear side of radiator, passes through power drives, electric power loop connection electric protection system
Execution unit (902).
Further, auxiliary pump is connected in cooling jacket loop, passes through power drives, electric power loop connection electric protection
The execution unit of system.
Further, the main frame of electric protection system sets low-temperature limit value, high temperature boundary value；
When engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor that temperature is less than
During low-temperature limit value, auxiliary blower, auxiliary water air pump inoperative；
When any one of engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor temperature
When between low-temperature limit value and high temperature boundary value, main frame sends order, auxiliary blower, auxiliary pump work to execution unit；
When any one of engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor temperature
During higher than high temperature boundary value, main frame sends order to execution unit, and engine is shut down.
Further, the main frame of electric protection system also sets up engine oil pressure boundary value, water level boundary value, gas density boundary
Value；
When engine oil pressure pickup monitors that oil pressure force value is less than engine oil pressure boundary, main frame is sent to execution unit
Order, engine is shut down, and shows outage information；
When level sensor monitors that water level is less than water level boundary value, main frame sends order, engine to execution unit
Shut down, show outage information；
When gas density is higher than gas density boundary value, main frame sends order to execution unit, and engine is shut down, sent
Alarm signal.
In high temperature such as cylinder cap (air exit end), exhaust manifold, supercharger turbo shell and the exhaust mains of engine main body
The surface of parts sets cooling jacket, and cooling jacket loop connection radiator, engine-driven main fan is arranged on radiating
On rear side of device, the cross-ventilation contributed to around radiator；In order to strengthen the convection velocity of radiator surrounding air, after radiator
Side sets the auxiliary blower of power drives.
When every temperature value of engine system is in normal working temperature, only engine-driven main fan work
Make；When any one of every temperature value of engine temperature is higher than normal working temperature, engine-driven main fan and electricity
The auxiliary blower of source driving works simultaneously, strengthens the convection velocity of radiator surrounding air, improves radiating effect.
Meanwhile, cooling jacket carries out cooling water circulation using engine embedded water pump, when engine temperature is persistently raised,
Engine embedded water pump can not meet the circulation rate of cooling water.Therefore, auxiliary pump is installed in the circulation loop of cooling water,
Strengthen the circulation rate of cooling water.
When every temperature value of engine system is in normal temperature, the circulation of cooling water is only by in-engine
Water pump provides power；When any one of every temperature value of engine system is higher than normal temperature, in-engine water pump
Worked simultaneously with the auxiliary pump of power drives, increase the circulation rate of cooling water, improve heat transfer effect.
Preferentially, auxiliary blower and auxiliary pump are driven by battery feed, in order to avoid the rotating speed influence auxiliary wind of engine
The running speed of fan and auxiliary pump, and then the radiating of system is influenceed, battery can be by installing generating on the engine
Machine carries out electric power storage, to ensure the power supply capacity of battery.
Meanwhile, devise a kind of electric protection system, monitoring engine system, cooling water and the temperature of exhaust, engine oil pressure,
The ambient parameter such as the duty parameters such as water level and gas density, and duty parameter is judged, control auxiliary blower, auxiliary water
The start and stop of pump or engine are shut down.
Above-mentioned electric protection system includes monitoring unit, main frame and execution unit, and monitoring unit is connected to the information of main frame
Collection terminal, execution unit is connected to the order output terminal of main frame.
The monitoring unit of electric protection system includes engine shell temperature sensor, coolant temperature sensor, delivery temperature
Sensor, engine oil pressure pickup, level sensor, gas density alarm etc., they are respectively installed to the corresponding of engine
Position, carries out duty parameter and gathers in real time, and gathered data is delivered into main frame.
The main frame of electric protection system has the element of logical operation function using programmable controller (PLC), single-chip microcomputer etc.,
The duty parameter come to monitoring unit transmission is compared with the parameter value set, and sends order to execution unit accordingly.
The execution unit of electric protection system includes power supply relay, current regulator, for controlling to adjust fan, regulation water
The start and stop of pump, the shutdown of engine.
Preferentially, magnetic valve is arranged in the air inlet pipe of engine, when main frame sends halt command, closed electromagnetic valve,
Engine is shut down.
Preferentially, main frame sets low-temperature limit value, high temperature boundary value；
When engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor that temperature is below
During low-temperature limit value, auxiliary blower, auxiliary water air pump inoperative；
When engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor any one temperature
When between low-temperature limit value and high temperature boundary value, main frame sends order, auxiliary blower, auxiliary pump and work to execution unit
Make；
When engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor any one temperature
During higher than high temperature boundary value, main frame sends order to execution unit, and engine is shut down.
Main frame also sets up engine oil pressure boundary value, water level boundary value, gas density boundary value.
When engine oil pressure pickup monitors oil pressure force value less than setting pressure, main frame sends life to execution unit
Order, engine is shut down, and shows outage information.
When level sensor monitors that water level is less than water level boundary value, main frame sends order, engine to execution unit
Shut down, show outage information.
When gas density is higher than gas density boundary value, main frame sends order to execution unit, and engine is shut down, report
It is alert.
In order to handle the discharge tail gas of engine, engine exhaust tail pipe of the invention is connected to water tank, for discharging
Tail gas clean-up and cooling, water tank pass through water supply tank moisturizing.
Beneficial effect：Compared with anti-explosion diesel engine prior art, the electric protection anti-explosion diesel hair that the present invention is provided
Motivation is provided with electric protection system, auxiliary blower and auxiliary pump in a cooling system, enhances cooling water circulation speed and drop
Warm speed.The monitoring unit of electric protection system is monitored in real time to operating condition in engine working process, electric protection system
The main frame of system is judged monitoring information, and sends instruction, control auxiliary blower, auxiliary pump start and stop, hair to execution unit
The shutdown of motivation so that explosion-proof engine can preferably adapt to long-time high loaded process operating mode.
Brief description of the drawings
Fig. 1 is anti-explosion diesel engine system schematic；
Fig. 2 is anti-explosion diesel engine water tank structural representation；
Fig. 3 is anti-explosion diesel engine electric protection system schematic diagram；
Fig. 4 is another schematic diagram of anti-explosion diesel engine electric protection system；
In figure, 1-cooling jacket, 2-engine, 3-main fan, 4-auxiliary blower, 5-radiator, 6-swelling water
Case, 7-auxiliary pump, 8-water tank, 801-water supply tank, 802-tail gas outlet, 9-electric protection system, 901-main frame,
902-execution unit, 903-monitoring unit, 904-magnetic valve；
Embodiment
To be best understood from the electric protection anti-explosion diesel engine that the present invention is provided, following examples are enumerated, and coordinate accompanying drawing
Describe in detail.It should be understood that embodiment shown in the drawings is not limited the scope of the present invention, but in order to illustrate this hair
The connotation of bright technical scheme.
As shown in figure 1, being anti-explosion diesel engine system schematic.The cylinder cap (air exit end) of the main body of engine 2, row
The surface of the high temperature parts such as gas manifold, supercharger turbo shell and exhaust main sets cooling jacket 1, and the connection of cooling jacket 1 dissipates
Hot device 5, the main fan 3 that engine 2 drives is arranged on the rear side of radiator 5, and water tank 8 connects the blast pipe tail end of engine 2, cold
But water jacket 1 connects expansion tank 6.Meanwhile, the pipeline of cooling jacket 1 is provided with auxiliary pump 7, and the rear side of radiator 4 is installed simultaneously
Auxiliary blower 4, electric protection system 9 monitors the operating condition of engine 2, the work that 901 pairs of main frame is monitored by monitoring unit 903
Condition parameter judged, order is sent to execution unit 902, and control auxiliary pump 7, the start and stop of auxiliary blower 4, engine 2 stop
Machine.
As shown in Fig. 2 being anti-explosion diesel engine water tank structural representation.The blast pipe of engine 2 is connected to wash water
Case 8, tail gas is discharged after purification and cooling by tail gas outlet 802, and water supply tank 801 is connected to water tank 8.
As shown in figure 3, being anti-explosion diesel engine electric protection system schematic diagram.Electric protection system 9 includes monitoring unit
903rd, main frame 901, execution unit 902, monitoring unit 903 are connected to the information gathering end of main frame 901, and execution unit 902 is connected
To the order output terminal of main frame 901.Monitoring unit 903 includes engine shell temperature sensor, coolant temperature sensor, exhaust
Temperature sensor, engine oil pressure pickup, level sensor, gas density alarm etc., said elements, which are respectively installed to, to be started
The relevant position of machine；Execution unit 902 includes power supply relay, current regulator, the control auxiliary blower 4, auxiliary of execution unit 902
Help the start and stop of water pump 7, the shutdown of engine 2 is carried out by magnetic valve 904.It is connected to and holds after auxiliary blower 4 is in parallel with auxiliary pump 7
Row unit 902, can be controlled by a power supply relay, while start and stop.
As shown in figure 4, being another schematic diagram of anti-explosion diesel engine electric protection system.Auxiliary blower 4 is single with auxiliary pump 7
Execution unit 902 is connected to after solely, can individually or start and stop simultaneously, remainder and Fig. 3 by different electrical power Control
Shown embodiment is identical.
The present invention is described in detail above, for those of ordinary skill in the art, according to the embodiment of the present invention
Thought, change in specific embodiments and applications is it is not considered that deviate from the scope of protection of the invention, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (9)
1. a kind of electric protection anti-explosion diesel engine, including cooling jacket (1), engine (2), main fan (3), auxiliary blower
(4), radiator (5), expansion tank (6), auxiliary pump (7), water tank (8) and electric protection system (9), the cylinder of engine (2)
The air exit end of lid, exhaust manifold, the surface of supercharger turbo shell and exhaust main set cooling jacket (1), cooling jacket
(1) connection radiator (5), expansion tank (6), engine-driven main fan (3) are arranged on rear side of radiator (5), water tank
(8) engine (2) exhaust pipe mouth is connected, Diesel engine sets electric protection system (9)；It is characterized in that：Cooling jacket (1)
Auxiliary blower (4), monitoring unit (903) prison of electric protection system are installed simultaneously on rear side of loop connection auxiliary pump (7), radiator
Engine system operating condition is surveyed, according to the judgement of main frame (901), execution unit (902) control auxiliary pump (7), auxiliary wind
(4) operation, engine (2) is fanned to shut down.
2. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：Electric protection system (9) includes prison
Survey unit (903), main frame (901), execution unit (902), the information gathering end connection monitoring unit (903) of main frame (901), master
The order output terminal connection execution unit (902) of machine (901).
3. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：Monitoring unit (903), main frame
(901), wired or wireless connection is passed through between execution unit (902).
4. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：Monitoring unit (903) includes hair
Motivation housing temperature sensor, coolant temperature sensor, exhaust gas temperature sensor, engine oil pressure pickup, level sensor, watt
This concentration alarm, said elements are respectively installed to the relevant position of engine (2).
5. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：The execution unit of electric protection system
(902) power supply relay, current regulator are included, for controlling auxiliary blower (4), the start and stop of auxiliary pump (7) and diesel oil hair
The shutdown of motivation (2).
6. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：Auxiliary blower (4) is installed to scattered
On rear side of hot device (5), by power drives, electric power loop connects the execution unit (902) of electric protection system.
7. electric protection anti-explosion diesel engine according to claim 1, it is characterised in that：Auxiliary pump (7) is connected to cold
But in water jacket (1) loop, by power drives, electric power loop connects the execution unit (902) of electric protection system.
8. a kind of electric protection anti-explosion diesel engine according to any one of claim 1~7, it is characterised in that electric protection
The main frame (901) of system sets low-temperature limit value, high temperature boundary value；
When engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor that temperature is less than low temperature
During boundary value, auxiliary blower (4), auxiliary pump (7) do not work；
When any one of engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor temperature low
When between warm boundary value and high temperature boundary value, main frame (901) sends order, auxiliary blower (4), auxiliary to execution unit (902)
Water pump (7) works；
When any one of engine shell temperature sensor, coolant temperature sensor, exhaust gas temperature sensor monitor that temperature is higher than
During high temperature boundary value, main frame (901) sends order to execution unit (902), and engine (2) is shut down.
9. a kind of electric protection anti-explosion diesel engine according to any one of claim 1~7, it is characterised in that electric protection
The main frame (901) of system also sets up engine oil pressure boundary value, water level boundary value, gas density boundary value；
When engine oil pressure pickup monitors that oil pressure force value is less than engine oil pressure boundary, main frame (901) is to execution unit
(902) order is sent, engine (2) is shut down, and shows outage information；
When level sensor monitors that water level is less than water level boundary value, main frame (901) sends order to execution unit (902),
Engine (2) is shut down, and shows outage information；
When gas density is higher than gas density boundary value, main frame (901) sends order, engine (2) to execution unit (902)
Shut down, send alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014364.6U CN206522185U (en) | 2016-08-31 | 2016-08-31 | A kind of electric protection anti-explosion diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014364.6U CN206522185U (en) | 2016-08-31 | 2016-08-31 | A kind of electric protection anti-explosion diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522185U true CN206522185U (en) | 2017-09-26 |
Family
ID=59887477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621014364.6U Expired - Fee Related CN206522185U (en) | 2016-08-31 | 2016-08-31 | A kind of electric protection anti-explosion diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206522185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194381A (en) * | 2016-08-31 | 2016-12-07 | 山东达润专用车有限公司 | A kind of electric protection anti-explosion diesel engine |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
-
2016
- 2016-08-31 CN CN201621014364.6U patent/CN206522185U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194381A (en) * | 2016-08-31 | 2016-12-07 | 山东达润专用车有限公司 | A kind of electric protection anti-explosion diesel engine |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |